3H-1,2,3-Triazolo[4,5-b]pyridin-7-amine, 5-chloro-N-(cyclobutylmethyl)-3-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-

3H-1,2,3-Triazolo[4,5-b]pyridin-7-amine, 5-chloro-N-cyclobutyl-3-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-

3H-1,2,3-Triazolo[4,5-b]pyridin-7-amine, 5-chloro-N-[(2-chlorophenyl)methyl]-3-[5-deoxy-5-[(phosphonomethyl)sulfonyl]-β-D-ribofuranosyl]-

3H-1,2,3-Triazolo[4,5-b]pyridin-7-amine, 5-chloro-N-[(3-chlorophenyl)methyl]-3-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-

3H-1,2,3-Triazolo[4,5-b]pyridin-7-amine, 5-chloro-N-(cyclopropylmethyl)-3-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-

1H-1,2,3-Triazolo[4,5-c]pyridin-4-amine, 6-chloro-N-cyclopentyl-1-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 6-chloro-N-(cyclopropylmethyl)-1-[5-O-[(1R)-2-phenyl-1-phosphonoethyl]-β-D-ribofuranosyl]-

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 6-chloro-N-(cyclopropylmethyl)-1-[5-O-[(1S)-2-phenyl-1-phosphonoethyl]-β-D-ribofuranosyl]-

3H-1,2,3-Triazolo[4,5-b]pyridin-7-amine, 5-chloro-N-cyclopentyl-3-[5-O-(phosphonomethyl)-β-D-ribofuranosyl]-

3H-1,2,3-Triazolo[4,5-b]pyridin-7-amine, 5-chloro-N-cyclopentyl-3-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-

3H-1,2,3-Triazolo[4,5-b]pyridin-7-amine, 5-chloro-N-cyclopentyl-3-[5-deoxy-5-[(phosphonomethyl)sulfonyl]-β-D-ribofuranosyl]-

1H-Pyrazolo[3,4-d]pyrimidin-4-amine, 6-chloro-N-cyclopentyl-1-[5-O-(2-hydroxy-1-methyl-1-phosphonoethyl)-β-D-ribofuranosyl]-

Carbamic acid, N-[6-chloro-1-[5-deoxy-5-[[(1R)-1-(diethoxyphosphinyl)-2-hydroxy-1-methylethyl]sulfonyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N-cyclopentyl-, 1,1-dimethylethyl ester

Carbamic acid, N-[6-chloro-1-[5-S-[(1R)-1-(diethoxyphosphinyl)-2-hydroxy-1-methylethyl]-2,3-O-(1-methylethylidene)-5-thio-β-D-ribofuranosyl]-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N-cyclopentyl-, 1,1-dimethylethyl ester

Carbamic acid, N-[6-chloro-1-[5-S-[(1S)-1-(diethoxyphosphinyl)-2-ethoxy-2-oxoethyl]-2,3-O-(1-methylethylidene)-5-thio-β-D-ribofuranosyl]-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N-cyclopentyl-, 1,1-dimethylethyl ester

Carbamic acid, N-[6-chloro-1-[5-S-[(1R)-1-(diethoxyphosphinyl)-2-ethoxy-2-oxoethyl]-2,3-O-(1-methylethylidene)-5-thio-β-D-ribofuranosyl]-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N-cyclopentyl-, 1,1-dimethylethyl ester

Carbamic acid, N-[6-chloro-1-[2,3-O-(1-methylethylidene)-5-thio-β-D-ribofuranosyl]-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N-cyclopentyl-, 1,1-dimethylethyl ester

Carbamic acid, N-[1-[5-S-acetyl-2,3-O-(1-methylethylidene)-5-thio-β-D-ribofuranosyl]-6-chloro-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N-cyclopentyl-, 1,1-dimethylethyl ester

Carbamic acid, N-[1-[5-[[(1S)-1-[bis(1,1-dimethylethoxy)phosphinyl]ethyl]sulfonyl]-5-deoxy-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-6-chloro-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N-cyclopentyl-, 1,1-dimethylethyl ester

Carbamic acid, N-[1-[5-[[(1R)-1-[bis(1,1-dimethylethoxy)phosphinyl]ethyl]sulfonyl]-5-deoxy-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-6-chloro-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-N-cyclopentyl-, 1,1-dimethylethyl ester